Instead of testing people who had normal thyroid function, scientists pulled blood from young people, old people, and even folks with hypothyroidism. (wellnessmama.com)
Another possibility for future study is to randomly test people in the community to see if they have antibodies to the virus. (newscientist.com)
We would test people with different diseases and different dieting histories (e.g. always been overweight, gained weight recently, etc.). (completehumanperformance.com)